/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.launcher3.anim;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;

/**
 * Extension of {@link AnimatorListenerAdapter} for listening for non-cancelled animations
 */
public abstract class AnimationSuccessListener extends AnimatorListenerAdapter {

    protected boolean mCancelled = false;

    @Override
    public void onAnimationCancel(Animator animation) {
        mCancelled = true;
    }

    @Override
    public void onAnimationEnd(Animator animation) {
        if (!mCancelled) {
            onAnimationSuccess(animation);
        }
    }

    public abstract void onAnimationSuccess(Animator animator);

    /**
     * Returns an AnimationSuccessListener which runs the provided action on success
     */
    public static AnimationSuccessListener forRunnable(Runnable r) {
        return new RunnableSuccessListener(r);
    }

    private static class RunnableSuccessListener extends AnimationSuccessListener {

        private final Runnable mRunnable;

        private RunnableSuccessListener(Runnable r) {
            mRunnable = r;
        }

        @Override
        public void onAnimationSuccess(Animator animator) {
            mRunnable.run();
        }
    }
}
